71904978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 162489600

約数和(自身を除く): 90584622

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 139, 174, 261, 278, 417, 522, 834, 991, 1251, 1982, 2502, 2973, 4031, 5946, 8062, 8919, 12093, 17838, 24186, 28739, 36279, 57478, 72558, 86217, 137749, 172434, 258651, 275498, 413247, 517302, 826494, 1239741, 2479482, 3994721, 7989442, 11984163, 23968326, 35952489, 71904978]

約数ペア:

[(1, 71904978), (2, 35952489), (3, 23968326), (6, 11984163), (9, 7989442), (18, 3994721), (29, 2479482), (58, 1239741), (87, 826494), (139, 517302), (174, 413247), (261, 275498), (278, 258651), (417, 172434), (522, 137749), (834, 86217), (991, 72558), (1251, 57478), (1982, 36279), (2502, 28739), (2973, 24186), (4031, 17838), (5946, 12093), (8062, 8919)]